Calcium
Ca++ ions initiate the movements but actin and myosin hormones regulates it.
The diaphragm muscle.
The medical term for circular muscle found in tubular structures that regulates the passage of substances is "sphincter." Sphincters act as valves to control the flow of fluids or materials through tubular structures in the body.
calcitonin
The answer is calcitonin.
a buffer
autonomic reflex
A muscle called the creamaster.
Cerebellum
A herniation is the protrusion of muscle substance through a tear.
Gastrocnemius muscle
An orderly system of laws and regulations.